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One of the ten signposts of the MIC project "Maths in the city". This one is placed near t...
One of the ten signposts of the MIC project "Maths in the city". This one is placed near t...
In Bolzano, in front of the Museion, the two beautiful bridges over the river Isarco (one ...
In Bolzano, in front of the Museion, the two beautiful bridges over the river Isarco (one ...
In Bolzano, in front of the Museion, the two beautiful bridges over the river Isarco (one ...
In Bolzano, in front of the Museion, the two beautiful bridges over the river Isarco (one ...
In Bolzano, in front of the Museion, the two beautiful bridges over the river Isarco (one ...
In Bolzano, in front of the Museion, the two beautiful bridges over the river Isarco (one ...
In Bolzano, in front of the Museion, the two beautiful bridges over the river Isarco (one ...
Ci si può domandare se parallelismo e perpendicolarità verranno conservati nell'ombra......
lines and curves in 3d-space